查询词典 yields
- 与 yields 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Under 300 W medium mercury lamp, the quantum yields of petroleum hydrocarbons at 365 nm were determined by potassium ferri-oxalate actinometer. And their reaction kinetics constants were measured too.
并采用高光密度法,以K3Fe(C2O4)3做光露计,300W中压汞灯为光源,在365nm波长处测定石油烃类的反应速率常数和量子产率。
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The contradiction in me yields to the understanding of myself, and this in turn brings an action which is integral, whole.
自我矛盾会因为对自我的了解而化解,这份了解继而能带来统合的、圆满的境界。
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A legislation impact assessment by environmental consultancy ADAS found that the loss of certain pesticides and insecticides could reduce yields of key crops such as potatoes and wheat by as much as 25 per cent.The report was funded by the European Crop Protection Association.
英国最大农业研究中心洛桑研究所植物和无脊椎动物生态学主管伊恩·德诺姆表示:由于农药具有潜在危害性,因而必须受到管制,但当前的立法是世界范围内的黄金标准。
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According to Pyles and Algeo (The Origins and Development of the English Language ,1982), words produced through affixation constitute 30% to 40% of the total number of new words; compounding yields 28% to30% of all the new words; words that come from shortening including clipping and acronym, amounting to 8% to 10%, together with l% to 5% of words born out of blending and other means.
根据Pyles和Algeo(的起源和发展的英语口语,1982年),通过附加词构成30%至40%的总数的新单词,to30% 28%的组合收益率的新单词,单词的缩写词,缩短了包括剪裁,总计为8%至10%,连同l % 5%的单词的配方和其他手段。
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In general, the amidation provides the desired amides in high yields using the insoluble base CaCO 3 , TBHP as an oxidant, and a mixture of CuI and AgIO 3 (1 mol %).
一般而言,提供酰胺酰胺在高收益预期使用中亚基地溶性三日tBHP作为氧化剂、混合、崔贴水3(1克分子%)。
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But he adds that Ainsworth's study, together with her previous field experiments, have all but wiped out early hopes that increased carbon dioxide might be enough to overcome the other factors and boost yields.
但是他跟进了安斯沃思的研究,把她先前所进行的实验整合起来,其中抹去了开始对不断增加的二氧化碳可能与其他因素相比最能促进作物的生产量的希望。
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It was found that condensation reactions of indoles with aldehyde proceeded smoothly in high yields at room temperature.
相比较而言,在同样反应条件下,双吲哚烷基化合物的合成比三吲哚烷基化合物的合成更容易。
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Alkylamine reaction with dialkyl cyanodithioiminocarbonate was catalyzed by quaternary ammonium salts at room temperature to yield 3-alkylamine-5-amino-1,2,4-triazole in good quality and high yields. After imidization and reaction with an α,β-unsaturated acid derivative, the reaction intermediate was hydrolyzed in the presence of a Lewis acid to obtain the target product.
烷基胺与氰基亚胺硫代二甲酯在季氨盐催化作用下得到质量好、收率高的3-烷氨基-5-氨基-1,2,4-三氮唑,进一步经过亚胺中间体并与α,β-不饱和酸酯作用后,中间产物在Lewis酸催化作用下水解得到三唑嘧啶酮。
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Synthesis of Arylenealkyne Conjugated Macrocycles Containing Long Alkylene Bridge;2. Rigid,planar structures have been modified through incorporation of new additional groups to generate sharp-persistent imine macrocycles in very high yields.
我们设计并合成了一类氢键诱导下构象受限的芳酰胺寡聚体,以此模块作为前体,利用动态共价键的方法,高产率(80%-89%)地合成了一系列新的亚胺大环。
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Seven 1-iodoalkynes in yields of 78%~91% were synthesized by reaction of terminal alkyne s and cesium hydroxide in dry THF at room temperature for 3 h followed by treatment with iodine.
端炔与氢氧化铯在无水THF中于室温反应3h后与碘作用合成了7个炔基碘,收率78%~91%。
- 相关中文对照歌词
- Wait
- Born Dead, Buried Alive
- You Don't Think I'm Funny Anymore
- Rise And Fall
- Born And Raised
- ...And I Lust
- Live With Me, And Be My Love
- Tearing Down The Borders
- Doe Or Die
- Grains Of Wrath
- 推荐网络例句
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I'm not an actor. I'm a professor of paleontology.
我不是演员,我是古生物学教授
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Spider Network Web site that is a very image of the name.
网络蜘蛛即Web Spider,是一个非常形象的名字。
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The rain drumming on the corrugated iron roof kept me awake last night.
雨点敲击着房顶的波纹铁使我昨夜未眠。